“Problems that remain persistently insoluble should always be suspected as questions asked in the wrong way” – Alan Watts
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The Shadow of Mount Rainier | Amusing Planet All objects, big or small, cast shadows and so do mountains. However, one particular peak displays a peculiar behavior – it cast shadows not on the ground, but up in the clouds. How does that happen? http://www.amusingplanet.com/2013/10/the-shadow-of-mount-rainier.html?m=1
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Surprisingly simple scheme for self-assembling robots – MIT News Office Small cubes with no exterior moving parts can propel themselves forward, jump on top of each other, and snap together to form arbitrary shapes. http://web.mit.edu/newsoffice/2013/simple-scheme-for-self-assembling-robots-1004.html
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ICar trades head up the action Directors’ trades fell back this week with the scorecard registering in favour of sellers. http://m.theage.com.au/business/icar-trades-head-up-the-action-20131004-2uztv.html
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How the feds took down the Dread Pirate Roberts What he wouldn’t give for a holocaust cloak. http://arstechnica.com/tech-policy/2013/10/how-the-feds-took-down-the-dread-pirate-roberts/2/
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Short Answer Section II Answering your hypothetical questions with physics, every Tuesday. New: @whatifnumbers, a Twitter feed of numbers I find while answering questions. http://what-if.xkcd.com/23/